Actuator



FIG. 1 is a front perspective view of an actuator according to a first embodiment of our new ornamental design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right-side view thereof;

FIG. 8 is a cross-sectional view taken along the line A-A in FIG. 3;

FIG. 9 is a front perspective view of an actuator according to a second embodiment of our new ornamental design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a right-side view thereof; and,

FIG. 16 is a cross-sectional view taken along the line A-A in FIG. 11. 

CLAIM The ornamental design for an actuator, as shown and described. 